Home / 5,121,040.36-7,681,563.10-1,334,513.64

Finding the Fourth Proportional to 5,121,040.36, 7,681,563.10 and 1,334,513.64

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Solution

The fourth proportional to 5,121,040.36, 7,681,563.10 and 1,334,513.64 is: 2,001,771.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121,040.36 : 7,681,563.10 = 1,334,513.64 : x
  2. Step 2: Convert to fraction form
    5,121,040.36/7,681,563.10 = 1,334,513.64/x
  3. Step 3: Cross multiply
    5,121,040.36x = 7,681,563.10 × 1,334,513.64
  4. Step 4: Simplify right side
    5,121,040.36x = 10,251,150,733,470.68
  5. Step 5: Solve for x
    x = 10,251,150,733,470.68/5,121,040.36
  6. Step 6: Final answer
    x = 2,001,771.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.